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  3. classes (percentage) no of students 0 < 10 10

Classes (Percentage) No of Students 0 < 10 10 10 < 20 20 20 < 30 25 30 < 40 15 40 < 50 20 50 <...

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Question

Basic Math

Classes (Percentage)No of Students
0 < 1010
10 < 2020
20 < 3025
30 < 4015
40 < 5020
50 < 6035
60 < 7045
70 < 8010
80 < 9015
90 < 1005

2.1 Determine the:
2.1.1 Mean number of marks (1 mark)
2.1.2 Median number of marks
2.1.3 Modal number of marks
2.2 Calculate the standard deviation

Answer & Explanation Solved by verified expert
4.0 Ratings (491 Votes)
The following table shows the necessary calculationsClass Intervalxffxfx2Cumulative    See Answer
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